You can play him on curve much much more safely than most planeswalkers because his effective cost is just two mana (normally, it can be a lot less if you have things that tap for more than one)
Old-Growth Troll Old-Growth Troll is a 4/4 creature for 3 mana, easily castable in mono-green aggro decks
It is still a great lategame value tool but then so is Genesis
Respect for Vendors & Merchandise Please handle cards, collectibles, displays, and merchandise carefully and only with vendor permission
Michael Krumbs GP Charlotte 2005 winning list paints the picture well: Creatures (22) Lands (18) Spells (20) Sideboard Few cards have been involved in as much evil and just plain not playing Magic as Golgari Grave-Troll
The undisputed king of haste, though, has to be Urabrask